02 Juno Racing Ltd SS1 - Motorsports Almanac
The Juno Racing Ltd SS1. Technical Specification (2002/03) Juno Racing Ltd SS1 Supersports SP car The Juno Racing Ltd SS1 sports prototype racing car has been built to compete in the UK National Supersports championship. The car has been designed with versatility in mind and could be configured to suit a range of championships and formulae. The car has been assembled using only the highest quality components right down to the military specification nuts and bolts and ETA circuit breakers. The Juno Racing Ltd design team believes it to be worth the extra expense in buying such equipment, in order to ensure reliability and performance. The following technical specification will describe the configuration of the car, as seen at the Autosport International show 2001. Suggestions for potential modifications to enable the car to compete in different formulae appear towards the end of this page. DESIGN TEAM Chief Designer : Ewan Baldry (former Williams design engineer) Design engineer : Ben Lang (also current chief engineer on the Tuscan Speed Six road car) CHASSIS Type : Steel tubular space frame. The material used is CDS (Cold Drawn Seamless) steel tube of varying dimensions. The integral roll structure again from CDS tubing satisfies MSA (UK Motorsport Association) requirements. The Juno roll structure is made form 50mm diameter tube with a 2mm wall thickness. The bend radius is 160mm. Higher specification T45 tubing can be used on request. 65 kg weight. Torsional rigidity : In excess of 22,000 Nm/deg. Body : 3 main GRP (glass reinforced plastic) sections. The central section remains fixed to the chassis. The nose and tail section are quickly removable upon operating the quarter turn and over-centre fasteners. Four section floor made from carbon fibre skins with a foam core. There are two main panels plus the front underbody (splitter) and the diffuser. Rear Aerofoil : Twin element pre-preg carbon composite aerofoil. ENGINE Type : 4-cylinder in-linem DOHC, 4VPC Model : Vauxhall/Opel 20XE OLE 0002 Preparation : Swindon Race Engines or P&P Autocare. Capacity : 1998 cc Bore x Stroke : 86.00 x 86.00 mm Max Power : 220 bhp Carburettors : 2 x 45 mm Weber 45DCOE Type 152 Camshaft : SRE/P10 or NS-SP1 (as supplied by NSA) Lubrication System : Dry-sump Ignition control box : MBE/99/SP1 MSA Sealed (with rev. limiter OLE 0008 or OLE 0008/76 MSA sealed) TRANSMISSION Gearbox : 5-speed Staffs Silent Gears Kwikshift, H-pattern shift (sequential shift optional). Clutch : AP Racing twin plate. SUSPENSION Front and rear : Un-equal length double 4130 steel alloy wishbones. Pushrod operated Öhlins 46HRC double adjustable dampers, Eibach springs. Fabricated steel Uprights. djustable switchblades control roll. Cockpit adjustment is possible if required. BRAKES Front and rear : 280mm vented cast iron discs, Billet aluminium 4-piston calipers. Ferodo carbon metallic pads. Cockpit adjustable balance bar. WHEELS Front and rear : Dallara F3 specification OZ magnesium alloy castings centre-lock TYRES Front : DUNLOP SP1 DRY 190/535R-13 'Supersport' or 170/510-13 "894" DUNLOP SP1 WET 190/535R-13 'Wet' or 170/510-13 "Wet"